Level 3 RepairDistribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.Confidential and proprietary-the contents in this service guide subject to change without prior notice.8-55U101 PIN14 : About 22dBm ?8-3-21. WCDMA BAND1 TXCheck the Voltage atC103 = VOUT_CHARGER?Resolder or changeU101, C103Check L106, L126 :About 22dBm ?Resolder or changeL106, L126YESNONOYESYESCHECK solderedC121, L108, RFS100NOCheck componentsoldering status OK atF100Resolder or changeF100NOYESCheck L111, C129:About 22dBm ?Resolder or changeL111, C129YESNOCONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODEAPPLIEDWCDMA Band1 CH : 10700RBW : 100KHzVBW : 100KHzSPAN : 10MHzREF LEV. : 10dBmATT. : 20dBCheck the Voltage atC131 = OUT_CHARGER?Resolder or changeU103, C131NOYESCheck C144:About 0dBm ?Resolder or changeC144YESYESCheck the voltage at{C150 = VBAT_RF ?}& {C149 = 2.85V ?}& {C145 = 2.65V ?}& {C151 = 1.8V?}& {C152 = 1.2V?}Resolder or changeU104Check the freq. at C139: 26MHz ?Change or resolderOSC100WCDMA BAND1Transmitter is O.K? Resolder or changeUCP300ENDNOYESNOYESNO